Examples with PieDataSet com.github.mikephil.charting.data.PieDataSet used on opensource projects

Example 6 with PieDataSet

use of com.github.mikephil.charting.data.PieDataSet in project carat by amplab.

the class SummaryFragment method generatePieData.

protected PieData generatePieData() {
    ArrayList<Entry> entries = new ArrayList<Entry>();
    ArrayList<String> xVals = new ArrayList<String>();
    xVals.add(getString(R.string.chart_wellbehaved));
    xVals.add(getString(R.string.chart_hogs));
    xVals.add(getString(R.string.chart_bugs));
    int wellbehaved = mMainActivity.mWellbehaved;
    int hogs = mMainActivity.mHogs;
    int bugs = mMainActivity.mBugs;
    entries.add(new Entry((float) (wellbehaved), 1));
    entries.add(new Entry((float) (hogs), 2));
    entries.add(new Entry((float) (bugs), 3));
    PieDataSet ds1 = new PieDataSet(entries, getString(R.string.summary_chart_center_text));
    ds1.setColors(Constants.CARAT_COLORS);
    ds1.setSliceSpace(2f);
    PieData d = new PieData(xVals, ds1);
    return d;
}

Example 7 with PieDataSet

use of com.github.mikephil.charting.data.PieDataSet in project carat by amplab.

the class Chart method prepareLegend.

/**
     * Generates an automatically prepared legend depending on the DataSets in
     * the chart and their colors.
     */
public void prepareLegend() {
    ArrayList<String> labels = new ArrayList<String>();
    ArrayList<Integer> colors = new ArrayList<Integer>();
    // loop for building up the colors and labels used in the legend
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        DataSet<? extends Entry> dataSet = mData.getDataSetByIndex(i);
        ArrayList<Integer> clrs = dataSet.getColors();
        int entryCount = dataSet.getEntryCount();
        // if we have a barchart with stacked bars
        if (dataSet instanceof BarDataSet && ((BarDataSet) dataSet).getStackSize() > 1) {
            BarDataSet bds = (BarDataSet) dataSet;
            String[] sLabels = bds.getStackLabels();
            for (int j = 0; j < clrs.size() && j < entryCount && j < bds.getStackSize(); j++) {
                labels.add(sLabels[j % sLabels.length]);
                colors.add(clrs.get(j));
            }
            // add the legend description label
            colors.add(-2);
            labels.add(bds.getLabel());
        } else if (dataSet instanceof PieDataSet) {
            ArrayList<String> xVals = mData.getXVals();
            PieDataSet pds = (PieDataSet) dataSet;
            for (int j = 0; j < clrs.size() && j < entryCount && j < xVals.size(); j++) {
                labels.add(xVals.get(j));
                colors.add(clrs.get(j));
            }
            // add the legend description label
            colors.add(-2);
            labels.add(pds.getLabel());
        } else {
            for (int j = 0; j < clrs.size() && j < entryCount; j++) {
                // if multiple colors are set for a DataSet, group them
                if (j < clrs.size() - 1 && j < entryCount - 1) {
                    labels.add(null);
                } else {
                    // add label to the last entry
                    String label = mData.getDataSetByIndex(i).getLabel();
                    labels.add(label);
                }
                colors.add(clrs.get(j));
            }
        }
    }
    Legend l = new Legend(colors, labels);
    if (mLegend != null) {
        // apply the old legend settings to a potential new legend
        l.apply(mLegend);
    }
    mLegend = l;
}

Example 8 with PieDataSet

use of com.github.mikephil.charting.data.PieDataSet in project carat by amplab.

the class PieChart method drawData.

@Override
protected void drawData() {
    float angle = mRotationAngle;
    ArrayList<PieDataSet> dataSets = mData.getDataSets();
    int cnt = 0;
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        PieDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();
        for (int j = 0; j < entries.size(); j++) {
            float newangle = mDrawAngles[cnt];
            float sliceSpace = dataSet.getSliceSpace();
            Entry e = entries.get(j);
            // draw only if the value is greater than zero
            if ((Math.abs(e.getVal()) > 0.000001)) {
                if (!needsHighlight(e.getXIndex(), i)) {
                    mRenderPaint.setColor(dataSet.getColor(j));
                    mDrawCanvas.drawArc(mCircleBox, angle + sliceSpace / 2f, newangle * mPhaseY - sliceSpace / 2f, true, mRenderPaint);
                }
            // if(sliceSpace > 0f) {
            //
            // PointF outer = getPosition(c, radius, angle);
            // PointF inner = getPosition(c, radius * mHoleRadiusPercent
            // / 100f, angle);
            // }
            }
            angle += newangle * mPhaseX;
            cnt++;
        }
    }
}

Example 9 with PieDataSet

use of com.github.mikephil.charting.data.PieDataSet in project carat by amplab.

the class PieChart method drawValues.

@Override
protected void drawValues() {
    // if neither xvals nor yvals are drawn, return
    if (!mDrawXVals && !mDrawYValues)
        return;
    PointF center = getCenterCircleBox();
    // get whole the radius
    float r = getRadius();
    float off = r / 2f;
    if (mDrawHole) {
        off = (r - (r / 100f * mHoleRadiusPercent)) / 2f;
    }
    // offset to keep things inside the chart
    r -= off;
    ArrayList<PieDataSet> dataSets = mData.getDataSets();
    int cnt = 0;
    for (int i = 0; i < mData.getDataSetCount(); i++) {
        PieDataSet dataSet = dataSets.get(i);
        ArrayList<Entry> entries = dataSet.getYVals();
        for (int j = 0; j < entries.size() * mPhaseX; j++) {
            // offset needed to center the drawn text in the slice
            float offset = mDrawAngles[cnt] / 2;
            // calculate the text position
            float x = (float) (r * Math.cos(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset) * mPhaseY)) + center.x);
            float y = (float) (r * Math.sin(Math.toRadians((mRotationAngle + mAbsoluteAngles[cnt] - offset) * mPhaseY)) + center.y);
            String val = "";
            float value = entries.get(j).getVal();
            if (mUsePercentValues)
                val = mValueFormatter.getFormattedValue(Math.abs(getPercentOfTotal(value))) + " %";
            else
                val = mValueFormatter.getFormattedValue(value);
            if (mDrawUnitInChart)
                val = val + mUnit;
            // draw everything, depending on settings
            if (mDrawXVals && mDrawYValues) {
                // use ascent and descent to calculate the new line
                // position,
                // 1.6f is the line spacing
                float lineHeight = (mValuePaint.ascent() + mValuePaint.descent()) * 1.6f;
                y -= lineHeight / 2;
                mDrawCanvas.drawText(val, x, y, mValuePaint);
                if (j < mData.getXValCount())
                    mDrawCanvas.drawText(mData.getXVals().get(j), x, y + lineHeight, mValuePaint);
            } else if (mDrawXVals && !mDrawYValues) {
                if (j < mData.getXValCount())
                    mDrawCanvas.drawText(mData.getXVals().get(j), x, y, mValuePaint);
            } else if (!mDrawXVals && mDrawYValues) {
                mDrawCanvas.drawText(val, x, y, mValuePaint);
            }
            cnt++;
        }
    }
}

Example 10 with PieDataSet

use of com.github.mikephil.charting.data.PieDataSet in project Gadgetbridge by Freeyourgadget.

the class SleepChartFragment method refreshSleepAmounts.

private MySleepChartsData refreshSleepAmounts(GBDevice mGBDevice, List<? extends ActivitySample> samples) {
    ActivityAnalysis analysis = new ActivityAnalysis();
    ActivityAmounts amounts = analysis.calculateActivityAmounts(samples);
    PieData data = new PieData();
    List<PieEntry> entries = new ArrayList<>();
    List<Integer> colors = new ArrayList<>();
    //        int index = 0;
    long totalSeconds = 0;
    for (ActivityAmount amount : amounts.getAmounts()) {
        if ((amount.getActivityKind() & ActivityKind.TYPE_SLEEP) != 0) {
            long value = amount.getTotalSeconds();
            totalSeconds += value;
            //                entries.add(new PieEntry(value, index++));
            entries.add(new PieEntry(value, amount.getName(getActivity())));
            colors.add(getColorFor(amount.getActivityKind()));
        //                data.addXValue(amount.getName(getActivity()));
        }
    }
    String totalSleep = DateTimeUtils.formatDurationHoursMinutes(totalSeconds, TimeUnit.SECONDS);
    PieDataSet set = new PieDataSet(entries, "");
    set.setValueFormatter(new IValueFormatter() {

        @Override
        public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
            return DateTimeUtils.formatDurationHoursMinutes((long) value, TimeUnit.SECONDS);
        }
    });
    set.setColors(colors);
    data.setDataSet(set);
    //setupLegend(pieChart);
    return new MySleepChartsData(totalSleep, data);
}